World Covid 19 Cases on April 2, 2020

(Andersen 2018)

(Moreno, M. and Basille, M. 2018)

(pkgdown 2020)

Map of Confirmed Covid19 Cases in the United States

Another Map of Confirmed Covid 19 Cases in the United States

Confirmed Cases in the US Heatmap

Number of US Covid 19 Cases by County

Covid 19 Cases by Massachusetts County

Interactive Map of Covid 19 Cases in MA

Exercises

1. For the above graph “World COVID-19 Confirmed case” summarize the counts for each Country on the graph and update the graph to 9/26/2020. You may need to adjust the size of the points.

2. Update Anisa Dhana’s graph layout of the US to 9/26/2020. You may need to adjust the size of the points.

3. Update the above graph “Number of Confirmed Cases by US County” to 9/26/2020 and use a different color scheme or theme

4. Make an interactive plot using a state of your chosing using a theme different from used in the above exammples.

REFERENCES

Application written in R (R Core Team 2015) (Chang et al. 2015).

Andersen, Eric. 2018. “Package : ’Maps’.” Web Page. https://cran.r-project.org/web/packages/maps/maps.pdf.

Chang, W., J. Cheng, JJ. Allaire, Y. Xie, and J. McPherson. 2015. “Shiny: Web Application Framework for R. R Package Version 0.12.1.” Computer Program. http://CRAN.R-project.org/package=shiny.

Moreno, M. and Basille, M. 2018. “Drawing Beautiful Maps Programmatically with R, Sf and Ggplot2 — Part 1: Basics.” Web Page. https://www.r-spatial.org/r/2018/10/25/ggplot2-sf.html.

pkgdown. 2020. “Polygons from a Reference Map.” Web Page. https://ggplot2.tidyverse.org/reference/geom_map.html.

R Core Team. 2015. “R: A Language and Environment for Statistical Computing.” Journal Article. http://www.R-project.org.